part 47040509 Piston Ø22 x 50 Interpump code 47040509 Details Interpump number47040509 DescriptionPiston Ø22 x 50 ItalianPISTONE D.22x50Qty per pump3 Fits these pumps Interpump 47 VHT series 4 VHT4715VHT4718VHT4721VHT4723 Interpump 47 series 8 TS1630TS1636W132W162WS132WS162WS1625WS1630